"Thank you," Evie tells the imp, before reaching into her pocket. There's a quick moment of movement, and she pulls out a few bills and hands them to him. "We're sorry to have interrupted your afternoon. It won't happen again."

From them, at least.

The imp takes the money and disappears, back into the forest. Better to wait until these trespassers left.

With the imp out of the way, Evie turns to Sirius. "What are the chances it's a witch?"